title: [Seroepidemiological survey of diphtheria antitoxin in Yamaguchi prefecture, Japan (author's transl)].
mesh_terms: D002648:Child; D002675:Child, Preschool; D004166:Diphtheria Antitoxin / Q000032:analysis*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D014611:Vaccination
chemical_list: D004166:Diphtheria Antitoxin